The science of politics is the one science that is deposited by the streams of history, like the grains of gold in the sand of a river; and the knowledge of the past, the record of truths revealed by experience, is eminently practical, as an instrument of action and a power that goes to making the future.
Lord ActonThe passion for power over others can never cease to threaten mankind, and is always sure of finding new and unforseen allies in continuing its martyrology.
Lord Acton